package day01;

public class demo {
    public static void main(String[] args) {

    }
    //数据的算法
    public void sum(){
        System.out.println("1");
    }

    public void sum(int a){
        System.out.println("2");
    }

    public void sum(int a,int b){
        System.out.println("2");
    }

    public void sum(int a,String b){
        System.out.println("2");
    }

    public void sum(String b,int a){
        System.out.println("2");
    }

    //写一个
}
